Home / 15,145.55-22,721.92-4,757.30

Finding the Fourth Proportional to 15,145.55, 22,721.92 and 4,757.30

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Solution

The fourth proportional to 15,145.55, 22,721.92 and 4,757.30 is: 7,137.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,145.55 : 22,721.92 = 4,757.30 : x
  2. Step 2: Convert to fraction form
    15,145.55/22,721.92 = 4,757.30/x
  3. Step 3: Cross multiply
    15,145.55x = 22,721.92 × 4,757.30
  4. Step 4: Simplify right side
    15,145.55x = 108,095,052.77
  5. Step 5: Solve for x
    x = 108,095,052.77/15,145.55
  6. Step 6: Final answer
    x = 7,137.08

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.